WGU C165 OA EXAM INTEGRATED
PHYSICAL
SCIENCES OA 2025-2026
ACTUAL EXAM QUESTION BANK
250 QUESTIONS AND CORRECT
DETAILED ANSWERS
Chemistry: ( Correct answers ) The study of atoms and molecules, their
and their interactions to form various
structures,
substances.
Physics: ( Correct answers ) The study of forces, energy
and motion.
Earth Science: ( Correct answers ) This field focuses on Earth's
structure andas well as the processes that change Earth, such as volcanic
composition,
and seismic
activity
.
Physical Science: ( Correct answers ) The scientific study of nonliving
matter. Ex: physics, and Earth
chemistry,
science.
Astronomy: ( Correct answers ) The study of the moon, stars, and
other objects in
space
.
Controlled Experiment: ( Correct answers ) An experiment in which only
one
is manipulated
variable at a
time..
Independent Variable: ( Correct answers ) The variable that is
manipulated in an
experimen
t.
Dependent Variable: ( Correct answers ) The outcome factor; the
variable in
change that may to manipulations of the independent
response
variable.
Control Variable: ( Correct answers ) A variable that is kept
constant during a
controlled
experiment.
Observational Study: ( Correct answers ) The systems are observed as
they appear
nature in
and researchers do not attempt to
change them.
Laboratory Experiment: ( Correct answers ) Researchers study the system
of a
in interest
highly controlled artificial setting
(lab).
ALREADY
GRADED A+
,Physical Model: ( Correct answers ) A physical representation of an object.
Ex: Scaled down version of the solar system.
Conceptual Model: ( Correct answers ) A verbal or graphical explanation
for how a system works or is organized. Ex: posters, charts.
Mathematical Model: ( Correct answers ) Uses different forms of data to
represent
way the or process works. Ex: formulas, graphs, mathematical
a system
means. Ex: F=ma
(formula
).
Computer Model: ( Correct answers ) A computer program that models
an event
object. Important
or in explaining and predicting natural phenomena.
Ex: weather
patterns, solar
system.
Principle of Falsification: ( Correct answers ) Principle that only falsifiable
statements can be subject to scientific inquiry.
Hypothesis: ( Correct answers ) A testable prediction, often implied
by a theory.
Theory: ( Correct answers ) A hypothesis that has been tested with a
significant amount of data.
Law: ( Correct answers ) A concise statement that is supported by
scientific
and evidence
repeated experiments. Describes a widespread pattern in nature.
Intended
universa to be
l.
Scientific Investigation: ( Correct answers ) Scientists test their ideas with
a variety types
different of of investigations. Ex: laboratories, controlled experiments,
field studies,
astronomy,
models.
SI System: ( Correct answers ) International System of units based on
the metric system and units derived from the metric system.
Base Quantities: ( Correct answers ) Seven designated physical
quantities (sets)SIfrom
which all other quantities can be
derived.
(1) Meter (m)-
(2) Kilogram (k)-
length
(3) Second (s)-
mass
time
(4) Kelvin (K)-
temperature
(5) Amperes (A)-"amp"-electric
current
(6) Candela (cd)-light
intensity
(7) Moles (mol)-amount of
substance
ALREADY
GRADED A+
, Time: ( Correct answers ) Base quantity that measures how long an event
lasts or the break between events.
Length: ( Correct answers ) Used to describe the distance between two
objects, or the two ends of an object.
Mass: ( Correct answers ) Used to describe the amount of matter in
an object.
Temperature: ( Correct answers ) A measure of how hot or cold
something is.
Gram: ( Correct answers ) a metric unit of mass equal to one
thousandth of a kilogram.
Meter: ( Correct answers ) The base unit of length in the metric system.
Unit symbol (m).
Liter: ( Correct answers ) Basic unit of volume in the metric system. Unit
symbol (l).
Second: ( Correct answers ) SI base unit for time. Unit
symbol (s).
Kelvin: ( Correct answers ) Si base unit of temperature. Unit
symbol (K).
Mega: ( Correct answers ) Metric prefix one million of the base unit. 10^6
Unit symbol (M).
Kilo: ( Correct answers ) Metric prefix 1/1000 or 10^3. Unit
symbol (k).
Deci: ( Correct answers ) Metric prefix 1/10th or 10^(-1) (0.1).
Unit symbol (d).
Centi: ( Correct answers ) Metric prefix 1/100th or 10^(-2) (0.01).
Unit symbol (c).
Milli: ( Correct answers ) Metric prefix 1/1000th or 10^(-3) (0.001).
Unit symbol (m).
Micro: ( Correct answers ) Metric prefix 1/millionth of the base unit. 10^(-
6) (0.000001)
Nano: ( Correct answers ) Metric prefix 1/billionth 10^(-9) (0.000000001).
Unit symbol (n).
Derived Units: ( Correct answers ) What is produced when the base
units/quantities are combined.
Triple Beam Balance: ( Correct answers ) Instrument used to
measure mass.
ALREADY
GRADED A+
PHYSICAL
SCIENCES OA 2025-2026
ACTUAL EXAM QUESTION BANK
250 QUESTIONS AND CORRECT
DETAILED ANSWERS
Chemistry: ( Correct answers ) The study of atoms and molecules, their
and their interactions to form various
structures,
substances.
Physics: ( Correct answers ) The study of forces, energy
and motion.
Earth Science: ( Correct answers ) This field focuses on Earth's
structure andas well as the processes that change Earth, such as volcanic
composition,
and seismic
activity
.
Physical Science: ( Correct answers ) The scientific study of nonliving
matter. Ex: physics, and Earth
chemistry,
science.
Astronomy: ( Correct answers ) The study of the moon, stars, and
other objects in
space
.
Controlled Experiment: ( Correct answers ) An experiment in which only
one
is manipulated
variable at a
time..
Independent Variable: ( Correct answers ) The variable that is
manipulated in an
experimen
t.
Dependent Variable: ( Correct answers ) The outcome factor; the
variable in
change that may to manipulations of the independent
response
variable.
Control Variable: ( Correct answers ) A variable that is kept
constant during a
controlled
experiment.
Observational Study: ( Correct answers ) The systems are observed as
they appear
nature in
and researchers do not attempt to
change them.
Laboratory Experiment: ( Correct answers ) Researchers study the system
of a
in interest
highly controlled artificial setting
(lab).
ALREADY
GRADED A+
,Physical Model: ( Correct answers ) A physical representation of an object.
Ex: Scaled down version of the solar system.
Conceptual Model: ( Correct answers ) A verbal or graphical explanation
for how a system works or is organized. Ex: posters, charts.
Mathematical Model: ( Correct answers ) Uses different forms of data to
represent
way the or process works. Ex: formulas, graphs, mathematical
a system
means. Ex: F=ma
(formula
).
Computer Model: ( Correct answers ) A computer program that models
an event
object. Important
or in explaining and predicting natural phenomena.
Ex: weather
patterns, solar
system.
Principle of Falsification: ( Correct answers ) Principle that only falsifiable
statements can be subject to scientific inquiry.
Hypothesis: ( Correct answers ) A testable prediction, often implied
by a theory.
Theory: ( Correct answers ) A hypothesis that has been tested with a
significant amount of data.
Law: ( Correct answers ) A concise statement that is supported by
scientific
and evidence
repeated experiments. Describes a widespread pattern in nature.
Intended
universa to be
l.
Scientific Investigation: ( Correct answers ) Scientists test their ideas with
a variety types
different of of investigations. Ex: laboratories, controlled experiments,
field studies,
astronomy,
models.
SI System: ( Correct answers ) International System of units based on
the metric system and units derived from the metric system.
Base Quantities: ( Correct answers ) Seven designated physical
quantities (sets)SIfrom
which all other quantities can be
derived.
(1) Meter (m)-
(2) Kilogram (k)-
length
(3) Second (s)-
mass
time
(4) Kelvin (K)-
temperature
(5) Amperes (A)-"amp"-electric
current
(6) Candela (cd)-light
intensity
(7) Moles (mol)-amount of
substance
ALREADY
GRADED A+
, Time: ( Correct answers ) Base quantity that measures how long an event
lasts or the break between events.
Length: ( Correct answers ) Used to describe the distance between two
objects, or the two ends of an object.
Mass: ( Correct answers ) Used to describe the amount of matter in
an object.
Temperature: ( Correct answers ) A measure of how hot or cold
something is.
Gram: ( Correct answers ) a metric unit of mass equal to one
thousandth of a kilogram.
Meter: ( Correct answers ) The base unit of length in the metric system.
Unit symbol (m).
Liter: ( Correct answers ) Basic unit of volume in the metric system. Unit
symbol (l).
Second: ( Correct answers ) SI base unit for time. Unit
symbol (s).
Kelvin: ( Correct answers ) Si base unit of temperature. Unit
symbol (K).
Mega: ( Correct answers ) Metric prefix one million of the base unit. 10^6
Unit symbol (M).
Kilo: ( Correct answers ) Metric prefix 1/1000 or 10^3. Unit
symbol (k).
Deci: ( Correct answers ) Metric prefix 1/10th or 10^(-1) (0.1).
Unit symbol (d).
Centi: ( Correct answers ) Metric prefix 1/100th or 10^(-2) (0.01).
Unit symbol (c).
Milli: ( Correct answers ) Metric prefix 1/1000th or 10^(-3) (0.001).
Unit symbol (m).
Micro: ( Correct answers ) Metric prefix 1/millionth of the base unit. 10^(-
6) (0.000001)
Nano: ( Correct answers ) Metric prefix 1/billionth 10^(-9) (0.000000001).
Unit symbol (n).
Derived Units: ( Correct answers ) What is produced when the base
units/quantities are combined.
Triple Beam Balance: ( Correct answers ) Instrument used to
measure mass.
ALREADY
GRADED A+
